✓ A case of bilateral vertebral artery occlusion following trauma in a 25-year-old woman is presented. The patient had minimal subluxation of C-2 on C-3 without neurological deficit. Her neck was immobilized for 16 days, and then a posterior fixation of C-1 through C-4 was performed with Kirschner wires and methyl methacrylate. Occlusion of the vertebral arteries has persisted, but collateral vessels are adequate and the patient has remained neurologically normal.

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Computed tomography in a 3 1/2-year-old boy with ataxia, lethargy, fever, vomiting, and increasing irritability revealed moderate hydrocephalus and a blood density mass lesion lying superior and posterior to the 3rd ventricle. On several of the sections, the blood density was greater in the dependent than in the superior portion of the mass. The average attenuation number within the mass was 40 EMI units. The infusion of contrast agent demonstrated capsular enhancement (a target sign), which was also demonstrated by angiography. The diagnosis, which was confirmed at operation, was thrombosis of an aneurysm of the vein of Galen. The massive thrombus was resected, but the aneurysm was not excised. The patient's recovery was uneventful.